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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 57 (Engine Cooling System) >> Diagnostic Information and Procedures >> DTC P0480, P0481, P0691, P0692, P0693, or P0694: Cooling Fan Relay (LUV) >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2015 Chevrolet Trax and 2015 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
KR20C Cooling Fan Low Speed Relay

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Relay Coil Ignition P0480, P0481, P0691, P0693 1 - -
Relay Switch B+ 1 1 - -
Relay Coil Control 2 1 1 -
Relay Controlled Output 1 1 2 -
  1. Low speed fan inoperative without a DTC.
  2. Low speed fan always ON without a DTC.
KR20D Cooling Fan High Speed Relay

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Relay Coil Ignition P0480, P0481, P0691, P0693 2 1 -
Relay Switch B+ 2 2 - -
Relay Control P0693 P0481 P0694 -
Relay Controlled Output 2 2 3 -
  1. Medium speed fan replaced by high speed fan without a DTC.
  2. High speed fan inoperative without a DTC.
  3. High speed fan always ON without a DTC.
KR20E Cooling Fan Speed Control Relay

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Relay Coil Ignition P0480, P0481, P0691, P0693 1 - -
Relay Switch Ignition P0480, P0481, P0691, P0693 1 - -
Relay Coil Control 2 1 - -
Relay Controlled Output P0480, P0481, P0691, P0693 1 3 -
  1. High speed fan inoperative without a DTC.
  2. Low speed fan always ON without a DTC.
  3. Medium speed fan inoperative without a DTC.
KR20F Cooling Fan Relay

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Relay Coil Ignition P0480, P0481, P0691, P0693 P0480 - -
Relay Switch Ignition 1 2 - -
Relay Control P0691 P0480 P0692 -
Relay Controlled Output - 2 - -
  1. Low speed fan always ON without a DTC.
  2. Low speed fan and high speed fan inoperative.
KR20P Cooling Fan Medium Speed Relay

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Relay Coil Ignition P0480, P0481, P0691, P0693 P0481 - -
Relay Switch B+ 1 1 - -
Relay Control P0693 P0481 P0694 -
Relay Controlled Output 1 1 2 -
  1. Medium speed fan inoperative without a DTC.
  2. Medium speed fan always ON without a DTC.
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